<template>
  <div id="app" class="shu">
    <router-view/>
  </div>
</template>
<script>
export default {
    name:'App',
    created() {
        if (sessionStorage.getItem("store")) {
            this.$store.replaceState(
                Object.assign(
                    {},
                    this.$store.state,
                    JSON.parse(sessionStorage.getItem("store"))
                )
            );
        }
        window.addEventListener("beforeunload", () => {
            sessionStorage.setItem("store", JSON.stringify(this.$store.state));
        });
    },
}
</script>
<style lang="less" scoped>
.shu{
  height: auto;
  max-width: 100%
}
</style>
